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Finding the Fourth Proportional to 377,102.34, 520,401.96 and 207,336.51

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Solution

The fourth proportional to 377,102.34, 520,401.96 and 207,336.51 is: 286,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,102.34 : 520,401.96 = 207,336.51 : x
  2. Step 2: Convert to fraction form
    377,102.34/520,401.96 = 207,336.51/x
  3. Step 3: Cross multiply
    377,102.34x = 520,401.96 × 207,336.51
  4. Step 4: Simplify right side
    377,102.34x = 107,898,326,183.56
  5. Step 5: Solve for x
    x = 107,898,326,183.56/377,102.34
  6. Step 6: Final answer
    x = 286,124.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.